GLA total: 925 sq. ft, excluded areas: 25 sq. ft

1st floor: 925 sq. ft
-((420.6 + 420.6) * (157.4 - 549.6) + (420.6 + 81.1) * (549.6 - 549.6) + (81.1 + 81.1) * (549.6 - 157.4) + (81.1 + 420.6) * (157.4 - 157.4)) * 0.5 * 0.00694

- Excluded: PORCH: 25 sq. ft
-((284.8 + 284.9) * (555.6 - 629.9) + (284.9 + 236.2) * (629.9 - 629.9) + (236.2 + 236.2) * (629.9 - 555.6) + (236.2 + 284.8) * (555.6 - 555.6)) * 0.5 * 0.00694


